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7. If a piece of cadmium (Cd) with a mass of 75.2g and a temperature of 100.0°C is dropped into 25.0g of water at 23.0°C, what will be the final temperature of the system? Cp Cd = 0.230J/g °C itor or 34.0°C 8. A piece of unknown metal with a mass of 5.19g is heated to 100.00°C and dropped into 10.0mL of water at 22.00°C. The final temperature of the system is 23.83°C. What is the specific heat of the metal? 0.193 J/g °C 9. A piece of an unknown metal with a mass of 23.8g is heated to 100.0°C and dropped in 50.0g of water at 24.0°C. The final temperature of the system is 32.50°C. What is the specific heat of the metal? 1.1 J/g °C 7. 8

7. If a piece of cadmium (Cd) with a mass of 75.2g and a temperature of 100.0°C is dropped into 25.0g of water at 23.0°C, what will be the final temperature of the system? Cp Cd = 0.230J/g °C itor or 34.0°C 8. A piece of unknown metal with a mass of 5.19g is heated to 100.00°C and dropped into 10.0mL of water at 22.00°C. The final temperature of the system is 23.83°C. What is the specific heat of the metal? 0.193 J/g °C 9. A piece of an unknown metal with a mass of 23.8g is heated to 100.0°C and dropped in 50.0g of water at 24.0°C. The final temperature of the system is 32.50°C. What is the specific heat of the metal? 1.1 J/g °C 7. 8

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please help with 7,8,&9
2. 2880 J 3. How much heat is required to raise the temperature of 54.5g of PC13 from 18.6°C to Cp PC13=0.874 J/g °C 79.1°C? 4. Why is water an excellent material to use in the calorimeter? 5. 145 J How much heat is required to raise the temperature of 8.787g of CCl4 from 37.1°C to 56.4°C? Cp CCl4 = 0.856 J/g °C 155,000 J How much heat is required to raise the temperature of 7.90 x 102g of water from 38.4°C to 85.4°C? Cp H₂O (1) = 4.184J/g °C 6. If a piece of aluminum with a mass of 2.39g and a temperature of 100.0°C is dropped into 10.0cm³ of water at 14.1°C, what will be the final temperature of the system? (Use 1.00g/cm³as the density of water.) Cp Al=0.900J/g °C 18.3°C 7. If a piece of cadmium (Cd) with a mass of 75.2g and a temperature of 100.0°C is dropped into 25.0g of water at 23.0°C, what will be the final temperature of the system? Cp Cd = 0.230J/g °C 34.0°C PROCE Fill Me 1. 8. A piece of unknown metal with a mass of 5.19g is heated to 100.00°C and dropped into 10.0mL of water at 22.00°C. The final temperature of the system is 23.83°C. What is the specific heat of the metal? 0.193 J/g °C 2. 9. A piece of an unknown metal with a mass of 23.8g is heated to 100.0°C and dropped in 50.0g of water at 24.0°C. The final temperature of the system is 32.50°C. What is the specific heat of the metal? 1.1 J/g °C 3. 4. A te m P C r 5. 6. 7. 8 C
Transcribed Image Text:2. 2880 J 3. How much heat is required to raise the temperature of 54.5g of PC13 from 18.6°C to Cp PC13=0.874 J/g °C 79.1°C? 4. Why is water an excellent material to use in the calorimeter? 5. 145 J How much heat is required to raise the temperature of 8.787g of CCl4 from 37.1°C to 56.4°C? Cp CCl4 = 0.856 J/g °C 155,000 J How much heat is required to raise the temperature of 7.90 x 102g of water from 38.4°C to 85.4°C? Cp H₂O (1) = 4.184J/g °C 6. If a piece of aluminum with a mass of 2.39g and a temperature of 100.0°C is dropped into 10.0cm³ of water at 14.1°C, what will be the final temperature of the system? (Use 1.00g/cm³as the density of water.) Cp Al=0.900J/g °C 18.3°C 7. If a piece of cadmium (Cd) with a mass of 75.2g and a temperature of 100.0°C is dropped into 25.0g of water at 23.0°C, what will be the final temperature of the system? Cp Cd = 0.230J/g °C 34.0°C PROCE Fill Me 1. 8. A piece of unknown metal with a mass of 5.19g is heated to 100.00°C and dropped into 10.0mL of water at 22.00°C. The final temperature of the system is 23.83°C. What is the specific heat of the metal? 0.193 J/g °C 2. 9. A piece of an unknown metal with a mass of 23.8g is heated to 100.0°C and dropped in 50.0g of water at 24.0°C. The final temperature of the system is 32.50°C. What is the specific heat of the metal? 1.1 J/g °C 3. 4. A te m P C r 5. 6. 7. 8 C
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